Volume 77 (2024)
Volume 76 (2023)
Volume 75 (2022)
Volume 74 (2021)
Volume 73 (2020)
Volume 72 (2019)
Volume 71 (2018)
Volume 70 (2017)
Volume 68 (2015)
Volume 67 (2014)
Volume 66 (2013)
Volume 65 (2012)
Volume 63 (2010)
Volume 62 (2009)
Comparison of two rainfall – runoff models for simulation of stream flow (Case study: Doiraj river basin in Ilam province, Iran)

heydar ebrahimi; Alireza Moghaddam Nia; Haji Karimi

Volume 69, Issue 3 , December 2016, Pages 529-541


  The runoff simulation in a watershed provides insight on the processes affecting runoff generation and the stream flow characteristics like spatial and temporal variability of stream flow. This insight helps managers and planners in informed decision-makings on water resources management and planning. ...  Read More

Application of IUCN method in watershed sustainability condition assessment (Case study: Talleghan-Zidasht1)

Omid Asadi Nalivan; Mohsen Mohseni Saravi; Ghavamodidn Zahedi Amiri; Ali Akbar Nazari Samani

Volume 69, Issue 3 , December 2016, Pages 543-559


  Sustainability is a concept that emphasizes substantially on investments conservation (natural, social and economic) toward intra-generation equity. When sustainable development is achieved an overlapping is created between ecological, economic and social classes. The goal of this study is to measure ...  Read More

Net Primary Productivity in Kouhdasht, its Spatio-Temporal Patterns and Relation to Meteorological Variables

Moslem Borji Hassan Gavyar; Hadi Eskandari Dameneh; Hassan Khosravi

Volume 69, Issue 3 , December 2016, Pages 561-574


  Nowadays, temperature increase, rainfall decrease and its effect on the time dynamics of carbon fixation cycle still are faced by many uncertainties. Net Primary Production (NPP) is one of the main factors of carbon cycle; precipitation and temperature measurement are known as two useful tools to study ...  Read More

Comparing Ecological Functions of Northern and Southern landscapes of Darehkonari Khashab rangeland, Gachsaran County

Gholam Ali Heshmati; vahid karimian

Volume 69, Issue 3 , December 2016, Pages 575-585


  To apply scientific and proper management of rangeland ecosystems, having information on health and functions indices of ecosystem is required. Using landscape function analysis, the present study deals with assessing and comparing of ecological indices in northern and southern landscapes, Darehkonari ...  Read More

Impact of land use changes from rangeland to horti-agriculture on soil total carbon and particulate organic matter in micro- and macro aggregates (Case study: Salavatabad, Sanandaj)

Leila Zandi; Reza Erfanzadeh; Hamid Joneidi-Jafari

Volume 69, Issue 3 , December 2016, Pages 587-596


  This study aimed to determine the effect of land use changes from rangeland to horti-agricultural lands on the most important qualitative characteristics of soil such as total soil carbon and particulate organic matter, in Salavatabad region, Sanandaj. In the present study, one rangeland, two cultivated ...  Read More

Externalities of Nomadic Livestock’s Utilization on Khafr-Sivar Rangelands from Water Regulation Perspective

Mohsen Sarshad Ghahfarrokhi; Seyed Alireza Mousavi; Saeed Soltani; Saeed Pourmanafi

Volume 69, Issue 3 , December 2016, Pages 597-610


  Natural resources are valuable capitals for all nations. Rangelands as the most extensive natural ecosystems in Iran provide numerous services, including fodder production and red meat supply, soil conservation and water regulation. Although uncontrolled exploitation of these resources has imposed much ...  Read More

Identification of appropriate rangeland restoration methods based on environmental data (Case study: Taleghan rangeland)

Hanieh Safari; Hossein Arzani; Ali Tavili

Volume 69, Issue 3 , December 2016, Pages 611-619


  Overgrazing and inappropriate use of Taleghan rangelands has led to poor and very poor condition for almost all vegetation types. Taking the importance of rangelands in forage production and other benefits into consideration, management of these rangelands and improving their condition seems essential. ...  Read More

Change detection of land cover in recent three decades using RS and GIS in Sabzkouh protected area

zahra abdolalizadeh; Ataollah Ebrahimi

Volume 69, Issue 3 , December 2016, Pages 621-631


  Sabzkouh protected area, with the variety of natural ecosystems and landscapes, is very rich from the point of diversity in climate, topography, habitats and wildlife that is located in central Zagros. Evidences show that its ecosystems such as other Iranian semiarid natural ecosystems, undergone ...  Read More

The Impact of Landuse Changes on overflowing Zones Using Remote Sensing & GIS

jalil farzadmehr; payam Ebrahimi; mehdi Eslah

Volume 69, Issue 3 , December 2016, Pages 633-646


  Predicting the hydraulic behavior of the river and flood zone determination to reduce probable damages, are among measures which in recent years has been the attention of many researchers. Mazandaran province, especially the city of Neka, each year is affected by the floods with different return periods; ...  Read More

Optimizing the rate of contribution of different sources in sediment yield of loess areas(Case study: Kechik Catchment)

Ali Fazlollahi; Ali Salajegheh; Sadat Feiznia; Hassan Ahmadi

Volume 69, Issue 3 , December 2016, Pages 647-660


  Sediment fingerprinting is a method for identifying sediment sources and determining the rate of contribution of each source. In this method, the natural tracer technology is used, that combined from samples collection, laboratory analyzing and statistical modeling. The natural tracers are measured in ...  Read More

Indigenous Knowledge and Local Traditions for Sheep Dairy Products and Management(Case study: Takor village, Noor city)

Mostafa Firuzruz; Mahdi Ghorbani; Reza Erfanzadeh

Volume 69, Issue 3 , December 2016, Pages 661-676


  Indigenous knowledge of each land is the manner of understanding and attitude of people towards world that shows the outcome of ancestors' experiences for years on optimal utilization of resources around human beings. Emphasis on technology transition and disregard for indigenous knowledge cause not ...  Read More

Determining the potential habitat of Ferula ovina (Boiss) using Generalized Additive Model in Fereidonshar rangelands- Isfahan

Mahsa Ghazimoradi; Mostafa Tarkesh; Hossein Bashari; Mohammad Reza Vahabi

Volume 69, Issue 3 , December 2016, Pages 677-689


  In this study, the ability of Generalized Additive Model (GAM) for mapping potential distribution of Ferula ovina Boiss, and the description of species response curves to environmental variables were examined in Fereidonshar region with area of 1000 square kilometers located in West of Isfahan province. ...  Read More

The Effect of Grazing on Soil Surface Indicators Using Landscape Function Analysis (LFA) method (Case Study: Dona rangelands, Siah Bisheh Watershed)

Mansureh Kargar; Zeinab Jafarian; Mohadeseh Ehsani

Volume 69, Issue 3 , December 2016, Pages 691-698


  For the scientific and accurate management of rangeland ecosystems, having information about ecosystem as indicators of ecosystem health and function is needed. The aim of this research is to study the effects of grazing on soil surface indicators and rangeland functional properties by using Landscape ...  Read More

Studying phenology stages Bromus tomentellus Boiss. Species in different years in Kordan rangelands of Alborz province

Ghader Karimi; Hasan Yeganeh; hasan barati

Volume 69, Issue 3 , December 2016, Pages 699-709


  Rangelands have been composed of different plant species that emergence of phenological stages in every one of them will be influenced by environmental and genetic factors. In order to exploit the time and achieve acceptable performance in each plant species, it is necessary that the emergence of biological ...  Read More

Land Use /Cover Change Monitoring and Prediction Using Markov Chain (Case Study: The Abbas Plain)

Kamran Karimi; Gholamreza Zehtabian; Marzban Faramarzi; Hassan Khosravi

Volume 69, Issue 3 , December 2016, Pages 711-724


  Remote sensing is a key technology for assessing expansion and rate of land cover changes that awareness of these changes as the basic information has a special importance for various programs. In this study, land use changes were examined over the past 24 years, and the feasibility of predicting ...  Read More

Grazing Behavior of Makuyi Sheep Breed(Case study: Mountainous Rangelands of Kelid Daghi, Jolfa)

javad Motamedi(torkan); Hassan Solali

Volume 69, Issue 3 , December 2016, Pages 725-738


  Investigation of the grazing behavior of grazing animals on the rangeland is one of the basic necessities of grazing management in different climatic regions. The current study with the aim of exploring the grazing behavior of Makuyi sheep breed was conducted in the mountainous rangelands of Kelid Daghi ...  Read More

Trend analysis of temperature and precipitation variability using homogenization time series(Case study: Khazar Region)

Mojtaba Nassaji zavareh; Ali Khorshiddoust; Ali Rasouli; Ali Salajegheh

Volume 69, Issue 3 , December 2016, Pages 739-752


  Temperature and precipitation are among important atmospheric parameters for watershed planning. Assessment of temperature and precipitation trends is very important for future watershed planning. In this paper, trends of atmospheric parameters such as seasonal and annual temperature and precipitation ...  Read More

Estimating uncertainty and sediment yield contribution of forest roads in Ziarat Drainage Basin, Gorgan Province using geochemical tracers Estimating uncertainty and sediment yield contribution of forest roads using geochemical tracers (case study: Ziarat drainage basin, Gorgan Province) Estimating uncertainty and sediment yield contribution of forest roads using geochemical tracers (case study: Ziarat drainage basin, Gorgan Province)

kazem Nosrati; Saeedeh Jalali

Volume 69, Issue 3 , December 2016, Pages 753-764


  Identifying sediment sources is one of important factors in selecting of appropriate method of erosion control and soil conservation. The main objective of this study is to estimateuncertainty and contribution of forest roads to sediment yield in Ziarat Drainage Basin, Gorgan city using geochemical tracers. ...  Read More

Study of the role of soil properties in making differences between plant communities

fatemeh naghizadeh; mohammad jafari; hosein azarnivand; Mohammad Ali Zare Chahouki

Volume 69, Issue 3 , December 2016, Pages 765-776


  In this study, the role of soil properties in making difference between plant communitieswas examined. First, four plant types were identified, including Pteropyrumaucheri-Salsolarigida، Astragalus gossypinus - Acanthophyllum herateens، Amygdalus scoparia – Achilla millefolium and Ephedra intermedia ...  Read More

Effects of the canopy of perennial plants and livestock utilization rates on the density of soil seed bank in an arid steppe rangeland

zahra nikbakht; Mohammad Farzam; Mohammad Khajeh Hosseini; Hamid Ejtehadi

Volume 69, Issue 3 , December 2016, Pages 777-788


  The study of soil seed bank provides useful information on management and restoration of natural ecosystems. In the arid environments, some perennial plants may cause accumulation of seed bank under their canopy, thereby protecting them against the livestock herbivory and the other environmental factors. ...  Read More